●get to first ˈbase (with sb/sth) ( reach/make first ˈbase (with sb/sth)) (informal, especially NAmE) successfully complete the first stage of sth成功地完成第一阶段；顺利做完第一步◆The project hasn’t even reached first base yet. Why all this delay?这个项目的第一阶段都还没完成，为什么这么拖拉？NOTE This idiom comes from baseball. First base is the first of four positions (= bases) that a player must reach in order to score points.这个习语源于棒球。first base 指“一垒”。